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sys_patch: Add KDK-less support

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Only Applicable for Kepler and Intel iGPUs at this time
This commit is contained in:
Mykola Grymalyuk
2022-08-27 09:29:38 -06:00
parent ef0fe3d4be
commit b105a73a10
4 changed files with 89 additions and 23 deletions
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79
resources/sys_patch.py
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@@ -32,6 +32,7 @@
# This is because Apple removed on-disk binaries (ref: https://github.com/dortania/OpenCore-Legacy-Patcher/issues/998)
# 'sudo ditto /Library/Developer/KDKs/<KDK Version>/System /System/Volumes/Update/mnt1/System'
import plistlib
import shutil
import subprocess
from pathlib import Path
@@ -60,6 +61,8 @@ class PatchSysVolume:
self.hardware_details = hardware_details
self.init_pathing(custom_root_mount_path=None, custom_data_mount_path=None)
self.skip_root_kmutil_requirement = self.hardware_details["Settings: Supports Auxiliary Cache"]
def __del__(self):
# Ensures that each time we're patching, we're using a clean repository
if Path(self.constants.payload_local_binaries_root_path).exists():
@@ -106,6 +109,8 @@ class PatchSysVolume:
return False
def merge_kdk_with_root(self):
if self.skip_root_kmutil_requirement is True:
return
if self.constants.detected_os < os_data.os_data.ventura:
return
if (Path(self.mount_location) / Path("System/Library/Extensions/System.kext/PlugIns/Libkern.kext/Libkern")).exists():
@@ -149,8 +154,23 @@ class PatchSysVolume:
print("\nPlease reboot the machine for patches to take effect")
def rebuild_snapshot(self):
print("- Rebuilding Kernel Cache (This may take some time)")
if self.rebuild_kernel_collection() is True:
self.update_preboot_kernel_cache()
self.rebuild_dyld_shared_cache()
if self.create_new_apfs_snapshot() is True:
print("- Patching complete")
print("\nPlease reboot the machine for patches to take effect")
if self.needs_kmutil_exemptions is True:
print("Note: Apple will require you to open System Preferences -> Security to allow the new kernel extensions to be loaded")
self.constants.root_patcher_succeeded = True
if self.constants.gui_mode is False:
input("\nPress [ENTER] to continue")
def rebuild_kernel_collection(self):
if self.skip_root_kmutil_requirement is True:
return True
print("- Rebuilding Kernel Cache (This may take some time)")
if self.constants.detected_os > os_data.os_data.catalina:
args = [
"kmutil",
@@ -206,18 +226,10 @@ class PatchSysVolume:
print("\nPlease reboot the machine to avoid potential issues rerunning the patcher")
if self.constants.gui_mode is False:
input("Press [ENTER] to continue")
else:
print("- Successfully built new kernel cache")
self.update_preboot_kernel_cache()
self.rebuild_dyld_shared_cache()
if self.create_new_apfs_snapshot() is True:
print("- Patching complete")
print("\nPlease reboot the machine for patches to take effect")
if self.needs_kmutil_exemptions is True:
print("Note: Apple will require you to open System Preferences -> Security to allow the new kernel extensions to be loaded")
self.constants.root_patcher_succeeded = True
if self.constants.gui_mode is False:
input("\nPress [ENTER] to continue")
return False
print("- Successfully built new kernel cache")
return True
def create_new_apfs_snapshot(self):
if self.root_supports_snapshot is True:
@@ -279,6 +291,46 @@ class PatchSysVolume:
utilities.process_status(utilities.elevated(["rm", destination_path_file], stdout=subprocess.PIPE, stderr=subprocess.STDOUT))
utilities.process_status(utilities.elevated(["cp", f"{self.constants.payload_path}/{file_name}", destination_path], stdout=subprocess.PIPE, stderr=subprocess.STDOUT))
def add_auxkc_support(self, install_file, source_folder_path, install_patch_directory, destination_folder_path):
# In macOS Ventura, KDKs are required to build new Boot and System KCs
# However for some patch sets, we're able to use the Auxiliary KCs with '/Library/Extensions'
# kernelmanagerd determines which kext is installed by their 'OSBundleRequired' entry
# If a kext is labeled as 'OSBundleRequired: Root' or 'OSBundleRequired: Safe Boot',
# kernelmanagerd will require the kext to be installed in the Boot/SysKC
# Additionally, kexts starting with 'com.apple.' are not natively allowed to be installed
# in the AuxKC. So we need to explicitly set our 'OSBundleRequired' to 'Auxiliary'
if self.skip_root_kmutil_requirement is False:
return destination_folder_path
if not install_file.endswith(".kext"):
return destination_folder_path
if install_patch_directory != "/System/Library/Extensions":
return destination_folder_path
if self.constants.detected_os < os_data.os_data.ventura:
return destination_folder_path
updated_install_location = str(self.mount_location_data) + "/Library/Extensions"
print(f"- Adding AuxKC support to {install_file}")
plist_path = Path(Path(source_folder_path) / Path(install_file) / Path("Contents/Info.plist"))
plist_data = plistlib.load((plist_path).open("rb"))
# Check if we need to update the 'OSBundleRequired' entry
if not plist_data["CFBundleIdentifier"].startswith("com.apple."):
return updated_install_location
if "OSBundleRequired" in plist_data:
if plist_data["OSBundleRequired"] == "Auxiliary":
return updated_install_location
plist_data["OSBundleRequired"] = "Auxiliary"
plistlib.dump(plist_data, plist_path.open("wb"))
self.constants.needs_to_open_preferences = True
return updated_install_location
def patch_root_vol(self):
print(f"- Running patches for {self.model}")
if self.patch_set_dictionary != {}:
@@ -316,6 +368,7 @@ class PatchSysVolume:
if install_patch_directory == "/Library/Extensions":
self.needs_kmutil_exemptions = True
destination_folder_path = str(self.mount_location_data) + install_patch_directory
destination_folder_path = self.add_auxkc_support(install_file, source_folder_path, install_patch_directory, destination_folder_path)
self.install_new_file(source_folder_path, destination_folder_path, install_file)
if "Processes" in required_patches[patch]: